Conceptual Physics Ch 22

What is the matching unit for Charge?

• OHM

• Coulomb

• Volt

• Ampere

What is the matching unit for Potential Energy?

• Ampere

• Volt

• Watt

• Joule

What is the matching unit for Current?

• Watt

• Joule

• Ampere

• OHM

What is the matching unit for Resistance?

• OHM

• Watt

• Volt

• Joule

What is the matching unit for Potential?

• Volt

• Coulomb

• Joule

• Watt

What is the matching unit for Power?

• Volt

• Joule

• Ampere

• Watt

A conventional current is the flow of ______

• Alternating current

• Electrons

• Electrons or ions

• Positive Charge

Tags

NGSS.HS-PS2-5

The conservation of charge in a circuit implies that _____.

• Electrons cannot be created or destroyed

• The total charge amount of charge

• Electrons can move through the circuit

• All of the above

The potential difference between two points in a space is 1000 V, and 2 coulombs of charge is transferred from the point of lower potential to the point of higher potential. The amount of work done is _____.

• 2x10-3 J

• 500 J

• 1000 J

• 2000 J

A 9 V battery is connected to a toy car, and the current produced is 2 A. The rate at which energy is delivered to the toy car is_____.

• 4.5 J

• 18 J

• 4.5 W

• 18 W